Lots of challenging practice questions that are fully updated for the new exam! Covers all 5 units and includes questions, answers, and detailed explanations.

Khan Academy is a great resource, with practice questions organized by unit. There are also other review materials included, such as videos and notes!

This site has some amazing review quizzes. Hundreds of questions on landmark supreme court cases, constitutional amendments, vocabulary terms, and more.

This practice test includes 60 MCQs along with an answer key at the end. The questions are challenging, and some include graphs or images along with the question.

These practice tests from Lumisource are definitely worth taking a look at. Each is around 25 questions, with detailed explanations of the correct answers.

This is the official released exam from 2009. It includes an answer key for the multiple-choice questions and a scoring guide for the FRQs.